Figure 3.

Percentage of family practice physicians, compared with subspecialist immunologists, recommending IVIG therapy for all or most patients with a diagnosis of a specific PID (in at least some patients within the listed diagnosis). *P < 0.0001; ^†P = 0.006. CGD, chronic granulomatous disease; CVID, common variable immunodeficiency; IgA, immunoglobulin A; IgG Sub, immunoglobulin G subclass; IgM, immunoglobulin M; IVIG, intravenously administered immunoglobulin; PID, primary immunodeficiency disease; SCID, severe combined immunodeficiency; XLA, X-linked agammaglobulinemia (Bruton’s agammaglobulinemia).